Q 12-08-118JEE MainJEE Main 2023 (1 Feb, Shift 2)Easy
In an amplitude modulation, a modulating signal having amplitude of $X$ V is superimposed with a carrier signal of amplitude $Y$ V in first case. Then, in second case, the same modulating signal is superimposed with different carrier signal of amplitude $2Y$ V. The ratio of modulation index in the two cases respectively will be
Answer: (C) $2:1$
$\mu=\dfrac{A_m}{A_c}$: $\dfrac XY:\dfrac X{2Y}=2:1$.
Solution by Sreeraj P, M.Sc Physics